oj.uz

Submission #477148

# Submission time Handle Problem Language Result Execution time Memory
477148 2021-09-30T21:15:56 Z jesus_coconut Remittance (JOI19_remittance) C++17
100 / 100
 289 ms 36440 KB 
#include <bits/stdc++.h>
#define all(a) begin(a), end(a)
#define F first
#define S second
#define pb push_back
using namespace std;
using ll = long long;
using ull = unsigned long long;
using pii = pair<int, int>;
int const MOD = 1e9 + 7;
int const N = 500009;


void solve() {
  int n;
  cin >> n;
  vector<ll> a(n), b(n);
  for (int i = 0; i < n; ++i) cin >> a[i] >> b[i];
  if (all_of(all(b), [](ll x) { return x == 0; })) {
    if (all_of(all(a), [](ll x) { return x == 0; })) {
      cout << "Yes\n";
    } else cout << "No\n";
    return;
  }
  while (true) {
    bool rep = false;
    for (int i = 0; i < n; ++i) {
      if (a[i] > b[i]) {
        ll diff = (a[i] - b[i] + 1) / 2;
        a[i] -= 2 * diff;
        a[(i+1) % n] += diff;
        rep = true;
      }
    }
    if ([&]{
      for (int i = 0; i < n; ++i) {
        if (a[i] != b[i]) return false;
      }
      return true;
    }()) {
      cout << "Yes\n";
      return;
    }
    if (!rep) {
      cout << "No\n";
      return;
    }
  }
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);


  solve();
  return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 2 ms 204 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 2 ms 204 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 0 ms 316 KB Output is correct
47 Correct 1 ms 308 KB Output is correct
48 Correct 1 ms 312 KB Output is correct
49 Correct 1 ms 312 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 2 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 1 ms 204 KB Output is correct
59 Correct 1 ms 204 KB Output is correct
60 Correct 1 ms 204 KB Output is correct
61 Correct 1 ms 312 KB Output is correct
62 Correct 1 ms 204 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 2 ms 204 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 0 ms 316 KB Output is correct
47 Correct 1 ms 308 KB Output is correct
48 Correct 1 ms 312 KB Output is correct
49 Correct 1 ms 312 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 2 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 1 ms 204 KB Output is correct
59 Correct 1 ms 204 KB Output is correct
60 Correct 1 ms 204 KB Output is correct
61 Correct 1 ms 312 KB Output is correct
62 Correct 1 ms 204 KB Output is correct
63 Correct 247 ms 35300 KB Output is correct
64 Correct 155 ms 19792 KB Output is correct
65 Correct 259 ms 34796 KB Output is correct
66 Correct 128 ms 19788 KB Output is correct
67 Correct 192 ms 21276 KB Output is correct
68 Correct 172 ms 23516 KB Output is correct
69 Correct 273 ms 35316 KB Output is correct
70 Correct 147 ms 19800 KB Output is correct
71 Correct 144 ms 21332 KB Output is correct
72 Correct 172 ms 23644 KB Output is correct
73 Correct 261 ms 35268 KB Output is correct
74 Correct 211 ms 19792 KB Output is correct
75 Correct 156 ms 21212 KB Output is correct
76 Correct 158 ms 23640 KB Output is correct
77 Correct 269 ms 35296 KB Output is correct
78 Correct 200 ms 27496 KB Output is correct
79 Correct 219 ms 27492 KB Output is correct
80 Correct 175 ms 27588 KB Output is correct
81 Correct 178 ms 27480 KB Output is correct
82 Correct 105 ms 19800 KB Output is correct
83 Correct 161 ms 19776 KB Output is correct
84 Correct 147 ms 19792 KB Output is correct
85 Correct 289 ms 36316 KB Output is correct
86 Correct 251 ms 36440 KB Output is correct
87 Correct 225 ms 28612 KB Output is correct
88 Correct 198 ms 28652 KB Output is correct